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4.  Close the top cover and tear off 
the surplus paper to complete the 
installation.
  Printing a self-test page is used to 
check whether the printer is operating 
in the normal mode.
1.  Make sure that the paper roll has been 
loaded and the top cover has been 
closed.
2.  Press and hold the feed button while 
turning on the printer. After hearing the 
printer start to feed paper, release the 
button; the printer will now print a self-
test page. Manually tear off the paper 
after the printer stops feeding paper.
5   Printing a  
Self-test Page
6  Operating
   FEED Button 
If you press the FEED button for a short time, the printer 
will feed one line at a time. If you hold the FEED button, 
the printer will feed paper constantly.
Name Status Explanation
POWER LED (green) Always on The power supply of the printer is 
normal.
Off Printer is turned off.
ERROR  
LED  
(red)
Off Printer is normal.
Out of paper.
Voltage is abnormal.
Print head is overheating.
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